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Venture capital fund that backed SpaceX, Anthropic looks for Atlanta's next billion-dollar businesses - The Business Journals

Reported by Bizjournals
Jun 13, 2026· 2 min read
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Key Takeaways
  • • Sabertooth Capital, led by Atlanta-based investor Justin Ernest, is launching a late-stage venture fund targeting billion-dollar companies in the Atlanta region, leveraging experience from backing SpaceX and Anthropic.
  • • The fund has deployed nearly a dozen investments to date with average check sizes ranging from $10 million to $50 million, positioning itself to identify and capitalize on emerging mega-cap opportunities before public market entry.
  • • High-profile exits from the venture ecosystem are accelerating: SpaceX is targeting a $1.75 trillion valuation and $75 billion IPO this month, while Anthropic raised $65 billion in Series H funding at a $965 billion post-money valuation, setting a benchmark for late-stage AI company valuations.
  • • The venture capital model is shifting toward late-stage ownership of pre-IPO companies, with the three largest upcoming exits (SpaceX, OpenAI, and Anthropic) positioned to generate returns that could exceed a decade of typical VC portfolio performance.
Summary
Justin Ernest, a technology investor with Atlanta roots, has officially launched Sabertooth Capital, a venture fund focused on identifying and investing in late-stage companies with billion-dollar potential in the Atlanta market. According to reporting from the Business Journals, Ernest aims to upend the traditional venture capital model by targeting growth-stage companies rather than early-stage startups, leveraging his track record as a backer of transformational companies including SpaceX and Anthropic.

The fund has already deployed capital across nearly a dozen investments, with average check sizes between $10 million and $50 million. This positioning reflects a broader shift in venture capital strategy toward later-stage ownership opportunities, where institutional investors seek exposure to proven business models approaching public market valuations. Ernest's approach targets Atlanta specifically, seeking to build a portfolio of companies capable of reaching billion-dollar valuations while remaining headquartered in the Southeast.

The timing of Sabertooth's launch coincides with a significant acceleration in mega-cap venture exits. SpaceX announced plans to raise $75 billion in an IPO priced at $135 per share, targeting a $1.75 trillion valuation and representing the largest public offering in market history. Separately, Anthropic closed a $65 billion Series H funding round led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital at a $965 billion post-money valuation. Additionally, Anthropic has committed approximately $1.25 billion monthly to SpaceX for AI compute infrastructure through 2029, demonstrating the capital intensity of frontier AI development.

Industry analysis suggests that the initial public offerings of SpaceX, OpenAI, and Anthropic are collectively positioned to generate returns exceeding the cumulative proceeds from a decade of typical venture capital portfolio exits, underscoring the outsized value creation in late-stage technology companies. Sabertooth Capital's focus on identifying similar opportunities in the Atlanta market reflects the geographic diversification of venture capital beyond traditional Silicon Valley and coastal technology hubs.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Bizjournals Venture capital fund that backed SpaceX, Anthropic looks for Atlanta's next billion-dollar businesses - The Business Journals